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SP318 Tourmaline

SP318 Tourmaline

$50.00

Here is a cool new item, a very nice Tourmaline sphere. It measures approximately 2 1/2″ and has a good polish.  This sphere has a black color with lots of subtle accents.  A very interesting and unusual sphere.

In stock

Description

Tourmaline is one of the most chemically complicated of all Silicate minerals. It is a complex Silicate of Aluminum and Boron and the composition varies widely with Sodium, Calcium, Iron, Magnesium, Lithium and many other elements that enter into it’s structure. It can occur in a long, slender needle-like crystal to a thick prismatic and columnar crystal to a radial like daisy formation. It comes in many colors usually black and brown (iron rich); brown and yellow (magnesium rich); and blue, red, green, yellow, and pink (lithium rich). This mineral is found in igneous rocks, like Granite Pegmatite, and metamorphic rocks such as Schist and Marble.

 

Additional information

Weight1.25 lbs
Dimensions2 × 2 × 2 in

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